CN111941828B - Digital implementation method, device, equipment and storage medium of occlusion adjuster - Google Patents
Digital implementation method, device, equipment and storage medium of occlusion adjuster Download PDFInfo
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- CN111941828B CN111941828B CN202010807184.8A CN202010807184A CN111941828B CN 111941828 B CN111941828 B CN 111941828B CN 202010807184 A CN202010807184 A CN 202010807184A CN 111941828 B CN111941828 B CN 111941828B
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- denture
- complete denture
- positioning plate
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- occlusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
Abstract
The invention discloses a digital implementation method and device of an occlusion adjuster, electronic equipment and a storage medium. The method comprises the following steps: scanning the complete denture to obtain three-dimensional data of the complete denture; establishing a complete denture three-dimensional model according to the complete denture three-dimensional data; determining parameters of a positioning plate according to the maxilla denture in the complete denture three-dimensional model; determining parameters of a fixed bracket according to the lower jaw denture in the complete denture three-dimensional model; and printing the positioning plate and the fixing support by using a 3D printing technology. The method can customize the occlusion adjuster individually, and obtain the occlusion adjuster with higher precision.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a digital implementation method and device of an occlusion adjuster, electronic equipment and a storage medium.
Background
The traditional complete denture is a mucosa-supported denture, which is different from natural teeth. The viscoelastic characteristics of the mucous membrane cause the complete denture to have larger instability in the mouth, similar to a ship floating in shallow water, if vertical acting force is applied to the center of the whole supporting tissue of the complete denture, the acting force is evenly distributed on the whole supporting tissue, the whole supporting tissue is evenly pressed and sunk, and the supporting tissue can endure the supporting tissue at the moment
The force capability is strongest and if properly controlled, the patient will not experience pain and discomfort with such a complete denture. If the stress is unbalanced, for example, the stress is at a certain point off center or the force is inclined, the distribution of the stress is unbalanced, the false tooth can warp, swing or slide, the stress can cause the supporting tissue to be stressed too much at certain positions, the excessive stress can cause local pain, or the alveolar bone can absorb the stress under the long-term action.
The complete denture is manufactured by complex operations which need a plurality of working procedures, the manufactured complete denture has certain errors more or less, and the complete denture with the upper jaw and the lower jaw is engaged after being worn in the mouth of a patient and possibly has some local interference points or early contact points, thus damaging the denture stability. Because the complete denture base is unstable, if a certain non-central point is stressed, the complete denture is not kept still but slides, swings and tilts, and after the complete denture is displaced, the occlusal contact of the upper jaw and the lower jaw can further occur at a new position, the process is very fast and is generally difficult to detect, so that during examination by using occlusal paper, a plurality of artifacts of occlusal contact points can finally occur on the occlusal surface of the complete denture of the upper jaw and the lower jaw, and the initial real occlusal contact high points or interference points are difficult to distinguish among a plurality of occlusal contact points. After a patient wears the complete denture with the unbalanced occlusion, the partial tenderness and ulcer of the mucous membranes of the upper jaw and the lower jaw and the like are clinically shown.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention provides a digital implementation method of an occlusion adjuster, which can customize the occlusion adjuster individually and obtain the occlusion adjuster with higher precision.
Additional features and advantages of the invention will be set forth in the detailed description which follows, or may be learned by practice of the invention.
According to an aspect of the present invention, there is provided a digital implementation method of a bite adjuster, including: scanning the complete denture to obtain three-dimensional data of the complete denture; establishing a complete denture three-dimensional model according to the complete denture three-dimensional data; determining parameters of a positioning plate according to the maxilla denture in the complete denture three-dimensional model; determining parameters of a fixed bracket according to the lower jaw denture in the complete denture three-dimensional model; and printing the positioning plate and the fixing support by using a 3D printing technology.
According to an embodiment of the present invention, the fixing bracket is an arch structure, and includes a connecting portion, a vertical portion, and a horizontal portion, and the connecting portion, the vertical portion, and the horizontal portion are connected; determining parameters of a fixation stent, comprising: determining parameters of the connecting part, wherein the connecting part is connected with the base plate tongue side of the lower jaw denture in the complete denture three-dimensional model; determining parameters of the vertical part, wherein the vertical part is parallel to the lingual side of the complete denture three-dimensional model; and determining parameters of the horizontal part, wherein a groove is arranged in the center of the horizontal part.
According to an embodiment of the present invention, determining the parameters of the positioning plate includes: determining a complete denture based on the complete denture three-dimensional model
A plane; determining parameters of the positioning plate so that the positioning plate and the positioning plate
The planes are parallel.
According to an embodiment of the present invention, the method further includes: arranging the printed positioning plate at the central position of the upper jaw complete denture; mounting a preformed adjusting piece on a printed fixed support, wherein the adjusting piece is mounted at the central position of the fixed support; and arranging a fixing support provided with an adjusting piece on the lower jaw complete denture, wherein the fixing support is connected with the center of the opposite base plate tongue side of the lower jaw complete denture, and the adjusting piece is vertical to the positioning plate.
According to an embodiment of the present invention, the method further includes: placing an occlusal paper between the upper complete denture and the lower complete denture; after the upper jaw complete denture is occluded with the lower jaw complete denture, the adjusting piece is adjusted to move along the direction close to the positioning plate until the upper jaw complete denture is separated from occlusion contact with the lower jaw complete denture, and the adjusting piece is contacted with the positioning plate; adjusting the adjusting piece to move in the direction away from the positioning plate until the upper complete denture and the lower complete denture are in occlusion contact; taking out the occlusion paper and checking; determining occlusion high points and/or interference points of the upper jaw complete denture and the lower jaw complete denture according to occlusal paper prints, and removing the occlusion high points and/or the interference points.
According to one embodiment of the present invention, a scanning complete denture comprises: scanning the occlusal surface and the buccal and lingual surfaces of the upper jaw complete denture; scanning the occlusal surface and the bucco-lingual surface of the mandibular complete denture; and scanning the occlusal buccal surfaces of the upper jaw complete denture and the lower jaw complete denture.
According to an embodiment of the present invention, an adjusting member is provided on the fixing bracket, including: the adjusting piece is arranged at the center of the horizontal part of the fixed bracket.
According to another aspect of the present invention, there is provided a digital implementation apparatus of a bite adjuster, including: the data acquisition module is used for scanning the complete denture to acquire three-dimensional data of the complete denture; the model establishing module is used for establishing a complete denture three-dimensional model according to the complete denture three-dimensional data; the positioning plate determining module is used for determining parameters of the positioning plate on the maxillary denture in the complete denture three-dimensional model; the fixed bracket determining module is used for determining parameters of a fixed bracket in a lower jaw denture in the complete denture three-dimensional model; and the printing module is used for printing the positioning plate and the fixed support by using a 3D printing technology.
According to still another aspect of the present invention, there is provided an electronic apparatus including: the digital snap adjuster comprises a memory, a processor and executable instructions stored in the memory and capable of running in the processor, wherein the processor executes the executable instructions to realize the digital realization method of the snap adjuster.
According to yet another aspect of the present invention, there is provided a computer-readable storage medium having stored thereon computer-executable instructions that, when executed by a processor, implement a method of digitally implementing a bite adjuster as any one of the above.
According to the digital implementation method of the occlusion adjuster provided by the embodiment of the disclosure, the complete denture is scanned to obtain three-dimensional data of the complete denture; establishing a complete denture three-dimensional model according to the three-dimensional data of the complete denture; determining parameters of a positioning plate and a fixed support according to the complete denture three-dimensional model; use 3D printing technique to print locating plate and fixed bolster. The method uses a digital technology, can customize a positioning plate and a fixing bracket in the occlusion adjuster individually to obtain the occlusion adjuster with higher precision, and can more accurately determine occlusion high points and/or interference points in the subsequent occlusion process of using the occlusion adjuster to adjust the complete denture so as to finally realize the stable and correct occlusion of the upper jaw complete denture and the lower jaw complete denture.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a flow chart illustrating a digital implementation of a bite adjuster according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a full denture wireform and a bite adjuster, according to an exemplary embodiment.
FIG. 3 is a schematic view of a mounting bracket shown according to an exemplary embodiment.
FIG. 4 is a flow chart illustrating another digital implementation of a bite adjuster according to an exemplary embodiment.
FIG. 5 is a schematic view of a fastener shown according to an exemplary embodiment.
FIG. 6 is a flow chart illustrating another digital implementation of a bite adjuster according to an exemplary embodiment.
Fig. 7 is a block diagram illustrating a digital implementation of a bite adjuster according to an exemplary embodiment.
Fig. 8 is a schematic structural diagram of an electronic device according to an example embodiment.
FIG. 9 is a schematic diagram illustrating a computer-readable storage medium in accordance with an example embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a flow chart illustrating a digital implementation of a bite adjuster according to an exemplary embodiment.
As shown in fig. 1, a digital implementation method 10 of a bite adjuster provided by the embodiment of the present disclosure may include the following steps.
In step S102, the complete denture is scanned to obtain three-dimensional data of the complete denture.
The full denture may include an upper jaw full denture and a lower jaw full denture.
For example, the complete denture can be placed after the patient has placed the complete denture in the mouth, or
On the frame, the upper jaw complete denture and the lower jaw complete denture, including the occlusal surface and the buccal lingual surface, can be scanned through the scanner and respectively stored as STL (Standard Template Library) format files, the upper jaw complete denture and the lower jaw complete denture can be occluded together, the buccal surfaces of the upper jaw complete denture and the lower jaw complete denture after occlusion are scanned, the upper jaw complete denture scan file and the lower jaw complete denture scan file are matched with the buccal side scan file, and the three-dimensional data of the complete denture with occlusion relation can be obtained.
The three-dimensional data of the complete denture may include, for example, the position and size of each denture in the upper complete denture, the position and size of each denture in the lower complete denture, and the positional relationship of the upper complete denture and the lower complete denture.
The scanner may be, for example, an intraoral scanner, which may be, for example, a 3Shape (three-dimensional) intraoral scanner or a 3Shape E4 model scanner.
In step S104, a complete denture three-dimensional model is created based on the complete denture three-dimensional data.
For example, the scanned three-dimensional data of the complete denture can be imported into simulation modeling software to establish a complete denture three-dimensional model.
The simulation modeling software may be, for example, geogenic Studio (reverse engineering software).
In step S106, parameters of the positioning plate are determined according to the maxillary denture in the complete denture three-dimensional model.
Fig. 2 is a schematic diagram illustrating a full denture wireform and a bite adjuster, according to an exemplary embodiment.
The occlusion adjuster can be a complete denture occlusion auxiliary examination occlusion adjuster.
As shown in fig. 2, the complete denture three-dimensional model may include a maxillary denture 202 and a mandibular denture 204. The snap-in adjuster may include, for example, a positioning plate 206, a fixing bracket 208, and an adjustment member 210. The positioning plate 206 may be designed by using simulation modeling software according to the three-dimensional data of the complete denture, printed by using a 3D printing technique, or may be a positioning plate made in advance; the fixed support 208 can be designed by using simulation modeling software according to the three-dimensional data of the complete denture and printed by a 3D printing technology; the adjustment member 210 may be designed using simulation modeling software, printed by 3D printing technology, or a pre-made adjustment member may be used.
For example, the position and size of the positioning plate can be determined according to the size and shape of the maxillary denture 202 in the complete denture three-dimensional model, so that the edges of the positioning plate and the corresponding contact position on the palate side of the maxillary denture 202 are matched, and the printed positioning plate can be more matched with the edges of the corresponding contact position on the palate side of the maxillary denture in shape and can be positioned more easily.
In some embodiments, the complete denture can be determined based on the complete denture three-dimensional model
A plane; determining parameters of the positioning plate so that the positioning plate and
the planes are parallel.
By adopting a digital method, the dental prosthesis can be easily analyzed and obtained on the complete dentures of the maxilla
And (4) a plane. For example, on a maxillary full denture, a mesial incisor angle from the maxillary central incisor and the mesial buccal cusp of the maxillary first molar can be unambiguously located
And (4) a plane.
The occlusal contact surface of the complete denture may represent the static contact relationship of the maxillary denture and the mandibular denture.
Positioning plate and
the planes are parallel, so that the stress of the complete denture can be ensured to be positioned in the center of the denture, and the uniform distribution of the force is ensured.
The positioning plate can be a prefabricated positioning plate, and the positioning plate is fixed to the maxillary denture through a paste material.
The positioning plate can be plane or curved. For example, the side part can be connected
And extend forward
The cutting guide slope is converted to the positioning plate as required, the range of about 1mm around the center occlusion of the positioning plate is a plane, and a slope with a certain angle is formed in the area outside the plane, so that the side can be controlled
And is extended forward
Corresponding inclination of the cusp. The size of the plane can be determined according to the dispersion degree of the mandibular movement, and the more unstable the mandibular occlusion is, the greater the dispersion degree of the points of contact of the upper and lower jaws is, and the larger the plane can be set.
In step S108, parameters of the fixture are determined according to the mandibular denture in the complete denture three-dimensional model.
For example, the parameters of the fixing bracket can be determined according to the size and the shape of the mandibular denture in the complete denture three-dimensional model, and the parameters of the fixing bracket can comprise the position and the size of the fixing bracket.
FIG. 3 is a schematic view of a mounting bracket shown according to an exemplary embodiment.
As shown in fig. 3, in some embodiments, the fixing bracket is an arch-shaped structure, and the fixing bracket may include a connecting portion 302, a vertical portion 304, and a horizontal portion 306, wherein the connecting portion 302, the vertical portion 304, and the horizontal portion 306 are connected.
In some embodiments, determining the parameters of the fixation bracket may include: determining parameters of a connection 302, wherein the connection 302 is connected with the base plate tongue side of the mandibular denture in the complete denture three-dimensional model; determining parameters of a vertical part 304, wherein the vertical part 304 is parallel to the lingual side of the complete denture three-dimensional model; parameters of the horizontal portion 306 are determined, wherein a groove is provided at a central position of the horizontal portion 306.
For example, the connection portion 302 of the occlusal adjustment device may be designed at a lingual central position (may be at a position 5mm below a lingual gingival margin) of the mandibular denture of the complete denture three-dimensional model, the connection portion 302 may be formed to extend 3-5mm away from the lingual side of the base plate to form a vertical portion 304, and the vertical portion 304 may have an arc-shaped configuration and extend toward the mandibular denture along lingual contours of the maxillary denture and the mandibular denture to form a horizontal portion 306 about 5-10mm away from the maxillary portion of the mandibular denture.
The connecting part 302 is designed at the position 5mm below the gingival margin, so that the motion of the tongue is not influenced, and the attractive appearance of the false tooth is not influenced.
It should be noted that the connection portion 302 may be disposed at other positions under the gingival margin, which is not limited by the present disclosure.
For example, the vertical portion 304 may be configured to be substantially parallel to the lingual profile of the occlusal maxillomandibular complete denture.
For example, a groove may be provided at a central position of the horizontal portion 306, the groove may be matched with an adjusting member, and the adjusting member may be used after being bonded to the horizontal portion 306 with a resin adhesive.
In step S110, the positioning plate and the fixing bracket are printed using a 3D printing technique.
For example, the positioning plate and the fixing bracket can be printed by using a selective laser sintering 3D printing technology, and can also be printed by using a 3D forming cutting technology.
The positioning plate and the fixing bracket may be made of metal material, such as titanium metal or cobalt-chromium alloy, or non-metal material, such as PMMA (Polymethyl Methacrylate) or PEEK (Poly-Ether-Ketone).
In the embodiment of the disclosure, the 3D printed positioning plate, the fixing bracket and the pre-manufactured adjusting piece can be used as an auxiliary inspection adjuster for complete denture occlusion. The positioning plate can be arranged on the upper jaw complete denture, the fixing support is arranged on the lower jaw complete denture, the adjusting piece is arranged on the fixing support and can be arranged at the central position of the fixing support, and when the upper jaw complete denture is meshed with the lower jaw complete denture, the adjusting piece is contacted with the positioning plate; wherein, the adjusting piece can move relative to the fixed bracket along the direction close to or far away from the positioning plate.
When the device is used specifically, the upper jaw complete denture and the lower jaw complete denture are occluded in the oral cavity, the positions of the adjusting parts are gradually adjusted, the center of acting force is always kept at the central position of the supporting tissue of the covering areas of the upper jaw complete denture and the lower jaw complete denture, the instability of the upper jaw complete denture and the lower jaw complete denture is avoided, occlusion high points or interference points can be gradually and accurately determined, the misjudgment caused by the unstable bases of the upper jaw complete denture and the lower jaw complete denture is avoided, and the stable and correct occlusion of the upper jaw complete denture and the lower jaw complete denture is finally realized.
In some embodiments, since the fixing bracket is connected to the lingual centers of the opposite bases of the mandibular complete denture (it can be understood that the fixing bracket is connected to the lingual centers of the left and right bases of the mandibular complete denture, and both ends of the fixing bracket are clamped between the lingual centers of the bases), that is, the two connecting ends of the fixing bracket and the mandibular complete denture are clamped in the middle space formed by the mandibular complete denture, the center of the fixing bracket is coincident with the center of the denture, and the tongue movement is not affected, so that the balance of the mandibular complete denture is not affected. And because the regulating part is positioned at the central position of the fixed bracket, when the regulating part is contacted with the positioning plate, the acting force of the lower jaw complete denture is uniformly distributed to the supporting tissue by realizing the central occlusion contact, the phenomenon that the lower jaw complete denture is supported by mucous membrane to greatly tilt, swing or slide is prevented, and the occlusion high point or the interference point can be accurately confirmed at the moment.
In some embodiments, the adjustment element may be positioned in the center of the fixation frame, i.e., the adjustment element is positioned at a consistent distance from opposite sides of the mandibular total denture, e.g., the centerline of the adjustment element intersects the line of symmetry of the fixation frame itself when the fixation frame is a symmetrical structure. The central position of the artificial tooth is an ideal position point, if the fixing support is of an irregular structure, the central position can be understood as the center of the coverage area of the lower jaw complete denture, including the centers of the front part, the back part, the left part and the right part, when the adjusting piece is contacted with the positioning plate, the front part, the back part, the left part and the right part of the lower jaw complete denture are stressed in a balanced manner, and therefore the phenomena of tilting, swinging or sliding and the like of the lower jaw complete denture are avoided.
In some embodiments, the surface of the positioning plate facing the adjusting member may be a plane, the fixing bracket is mounted on the mandibular full denture, when the patient bites, the motion state of the fixing bracket is substantially consistent with the mandibular arc, and at this time, the adjusting member contacts the plane of the positioning plate to form a fulcrum, which may form three fulcrums with the bilateral temporomandibular joints to form a stable structure, thereby avoiding joint instability and full denture instability. The adjusting part can gradually reduce the height to the artificial teeth of the complete denture to contact through rotating the adjusting part, gradually adjusts and grinds in different times until all contacts are uniform, and the stability of the complete denture is ensured because the center of acting force is always at the center of the complete denture, so that the gradually appearing occlusion contact points are really abnormal occlusion contact points which are easy to find and adjust the occlusion, and the occlusion problem of the complete denture is solved.
In the occlusion adjuster manufactured by the method provided by the embodiment of the disclosure, the positioning plate is parallel to the plane, the adjusting piece is vertical to the positioning plate, and the adjusting piece and the positioning plate are in a point contact structure, so that when the complete denture of the upper jaw and the lower jaw is occluded, an acting force point is positioned in the center of the denture, the acting force is uniformly dispersed to the whole supporting tissue, and the stability of the complete denture can be maintained. When the adjusting piece is adjusted to be far away from the positioning plate, the occlusal surfaces of the complete denture of the upper jaw and the lower jaw are gradually close to each other and finally contact with each other, so that a real occlusal contact high point or interference point can be found and removed, the occlusal contact false image caused by the instability of the denture base is finally avoided, and the occlusal adjustment precision is improved.
According to the digital implementation method of the occlusion adjuster provided by the embodiment of the disclosure, the complete denture is scanned to obtain three-dimensional data of the complete denture; establishing a complete denture three-dimensional model according to the three-dimensional data of the complete denture; determining parameters of a positioning plate and a fixed support according to the complete denture three-dimensional model; use 3D printing technique to print locating plate and fixed bolster. The method uses a digital technology, can customize a positioning plate and a fixing bracket in the occlusion adjuster individually to obtain the occlusion adjuster with higher precision, and can more accurately determine occlusion high points and/or interference points in the subsequent occlusion process of using the occlusion adjuster to adjust the complete denture so as to finally realize the stable and correct occlusion of the upper jaw complete denture and the lower jaw complete denture.
It should be clearly understood that the present disclosure describes how to make and use particular examples, but the principles of the present disclosure are not limited to any details of these examples. Rather, these principles can be applied to many other embodiments based on the teachings of the present disclosure.
FIG. 4 is a flow chart illustrating another digital implementation of a bite adjuster according to an exemplary embodiment.
On the basis of the digital implementation method of the occlusion adjuster shown in fig. 1, the digital implementation method 40 of the occlusion adjuster shown in fig. 4 further includes the following steps.
In step S402, the printed positioning plate is disposed at the central position of the complete maxillary denture.
The bite adjuster obtained according to the digital implementation method of the bite adjuster can be used for complete denture adjustment and can also be used for partial denture or bite reconstruction denture occlusion adjustment to obtain stable and correct bite contact points.
For example, a printed alignment plate or a pre-formed alignment plate may be provided at the center of the maxillary complete denture of the patient.
By using a digital method, the positioning plate is designed and printed according to the three-dimensional data of the complete denture of the patient, so that the accuracy is higher, and the positioning plate can be better matched with the complete denture of the upper jaw of the patient.
In step S404, a pre-formed adjusting member is mounted on the printed fixing bracket.
The adjustment member may include, for example: a sleeve and a fastener. Wherein, the sleeve pipe can set up on the fixed bolster, and the fastener can wear to establish in the sleeve pipe, and can follow sheathed tube axis direction and remove. When the upper jaw complete denture is occluded with the lower jaw complete denture, the fastener is contacted with the positioning plate. The fixed setting of sleeve pipe has guaranteed that the regulating part is located the central point department of putting of fixed bolster on the fixed bolster, and the position deviation can not appear promptly, and the fastener is through removing for the sleeve pipe, can adjust the distance between locating plate and the fixed bolster, adjusts the holding point height promptly, confirms gradually and excludes unusual interlock contact point.
FIG. 5 is a schematic view of a fastener shown according to an exemplary embodiment.
In some embodiments, as shown in FIG. 5, the fastener may include a stud segment 502 and a ball 504, the stud segment 502 being threadably coupled to the sleeve such that the fastener moves in the direction of the axis of the sleeve as the stud segment 502 rotates relative to the sleeve, the ball 504 being adapted to contact the locating plate. The arrangement of the stud section 502 can control the moving distance of the fastener, the ball 504 is used as a supporting point which is in contact with the positioning plate, the ball 504 is rotatably arranged on the stud section 502, the positioning plate of the ball 504 is in point contact, the joint can be guided to automatically move into a stable center relation position in the occlusion process, errors caused by unstable occlusion are reduced, the height of the supporting point is gradually reduced, early contact points or interference points gradually appear, and stable and correct occlusion contact points can be finally obtained after gradual grinding in different times.
In some embodiments, the fastener may be a screw, and the pitch of the screw may be 1mm (the height changes by 1mm per 360 degrees of rotation, with height adjustment by turning the screw). The patient relaxes the occlusion, and after stabilization, the screw height is gradually reduced until the upper jaw complete denture and the lower jaw complete denture are contacted, the contacted contact surface is adjusted and ground, and the central screw is continuously reduced until the acceptable uniform occlusion contact is obtained. Since the point of application is always on the central screw, the early contact point and the interference point of the complete denture have no effect on denture stability.
In some embodiments, the pre-formed adjustment member is installed at a central position of the horizontal portion of the fixing bracket.
In step S406, a fixing bracket on which an adjusting member is mounted is disposed on the lower jaw complete denture, wherein the fixing bracket is connected to a center of a side of the lower jaw complete denture opposite to a base plate tongue, and the adjusting member is perpendicular to the positioning plate.
For example, the connecting portion of the fixed bracket may be connected to the lingual center of the opposing base of the mandibular total denture.
The digital method is used, the fixed support is designed and printed according to the three-dimensional data of the complete denture of the patient, the precision is higher, and the fixed support can be better matched with the complete denture of the lower jaw of the patient.
After the fixing bracket provided with the adjusting piece is arranged on the lower jaw complete denture, the upper jaw complete denture and the lower jaw complete denture can be worn in the mouth of a patient, so that the patient can do opening and closing mouth movement to obtain stable and correct occlusion contact points.
FIG. 6 is a flow chart illustrating another digital implementation of a bite adjuster according to an exemplary embodiment.
On the basis of the digital implementation method of the occlusion adjuster shown in fig. 4, the digital implementation method 60 of the occlusion adjuster shown in fig. 6 further includes the following steps.
In step S602, an occlusal paper is placed between the upper complete denture and the lower complete denture.
For example, the bite paper may be placed between the upper complete denture and the lower complete denture of the patient to allow the patient to perform the opening and closing movements.
In step S604, after the upper jaw complete denture and the lower jaw complete denture are occluded with each other, the adjusting member is moved in a direction close to the positioning plate until the upper jaw complete denture and the lower jaw complete denture are separated from occlusion contact, and the adjusting member is in contact with the positioning plate.
For example, after the upper complete denture and the lower complete denture are occluded, the adjusting piece can be moved along the direction close to the positioning plate until the upper complete denture and the lower complete denture are separated from occlusion contact, and then the adjusting piece is contacted with the positioning plate.
In step S606, the adjustment member is moved in a direction away from the positioning plate until the maxillary complete denture and the mandibular complete denture come into occlusal contact.
For example, the adjustment member may be incrementally moved in a direction away from the alignment plate until the maxillary complete denture comes into occlusal contact with the mandibular complete denture.
In step S608, the bite paper is taken out and inspected.
For example, the bite paper can be removed from the patient's mouth and the bite paper print on the bite paper examined.
In step S610, occlusion high points and/or interference points of the maxillary complete denture and the mandibular complete denture are determined from the bite paper print, and the occlusion high points and/or the interference points are removed.
Finding out occlusion high points and/or interference points of the upper jaw complete denture and the lower jaw complete denture according to occlusion paper print on the occlusion paper, and removing the occlusion high points and/or the interference points.
For example, steps S602-S610 may be repeated to move the adjustment member a plurality of times until the bite-height or interference point is completely removed.
The digital implementation method of the occlusion adjuster provided by the embodiment of the disclosure can be applied to occlusion adjustment of complete dentures, and the complete denture occlusion auxiliary inspection occlusion adjuster designed and manufactured by the embodiment of the disclosure can help doctors to find out the position of abnormal occlusion very easily through simple training, can quickly solve the problem of wandering pain of patients, and can benefit a large number of non-dentognathic patients; on the other hand, the method can be customized according to the requirements of users, the precision is better, the operation is easier in the occlusion adjustment process, and the efficiency is higher.
Furthermore, it should be noted that the above-mentioned figures are only schematic illustrations of the processes involved in the method according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.
The following are embodiments of the apparatus of the present invention that may be used to perform embodiments of the method of the present invention. For details which are not disclosed in the embodiments of the apparatus of the present invention, reference is made to the embodiments of the method of the present invention.
Fig. 7 is a block diagram illustrating a digital implementation of a bite adjuster according to an exemplary embodiment.
As shown in fig. 7, the digital implementation apparatus 700 of the occlusion adjuster includes: a data acquisition module 702, a model building module 704, a positioning plate determination module 706, a fixed support determination module 708, and a printing module 710.
The data obtaining module 702 is configured to scan a complete denture to obtain three-dimensional data of the complete denture; the model establishing module 704 is used for establishing a complete denture three-dimensional model according to the complete denture three-dimensional data; the positioning plate determining module 706 is used for determining parameters of the positioning plate on the maxillary denture in the complete denture three-dimensional model; the fixed bracket determining module 708 is used for determining parameters of the fixed bracket in the mandibular denture in the complete denture three-dimensional model; the printing module 710 is used for printing the positioning plate and the fixing bracket by using a 3D printing technology.
In some embodiments, the fixing bracket is an arch-shaped structure, the fixing bracket comprises a connecting part, a vertical part and a horizontal part, and the connecting part, the vertical part and the horizontal part are connected; the fixed bracket determination module 708 includes: the connecting part parameter determining module is used for determining the parameters of the connecting part, and the connecting part is connected with the base plate tongue side of the lower jaw denture in the complete denture three-dimensional model; the vertical part parameter determining module is used for determining the parameter of the vertical part, and the vertical part is parallel to the tongue side of the complete denture three-dimensional model; and the horizontal part parameter determining module is used for determining parameters of the horizontal part, and a groove is arranged in the middle parameter of the horizontal part.
In some embodiments, the locating plate determination module 706 includes: a contact surface determining module for determining the complete denture based on the complete denture three-dimensional model
A plane; a locating plate parameter determining module for determining the parameters of the locating plate so that the locating plate and the locating plate
The planes are parallel.
In some embodiments, the digital implementation apparatus 700 of the occlusion adjuster further includes: the positioning plate setting module is used for setting the printed positioning plate at the central position of the upper jaw complete denture; the adjusting piece mounting module is used for mounting a preformed adjusting piece on the printed fixed support; the fixing support setting module is used for setting the fixing support provided with the adjusting piece on the lower jaw complete denture, the fixing support is connected with the center of the tongue side of the relative base of the lower jaw complete denture, and the adjusting piece is vertical to the positioning plate.
In some embodiments, the digital implementation apparatus 700 of the occlusion adjuster further includes: the test paper placing module is used for placing the occlusal paper between the upper jaw complete denture and the lower jaw complete denture; the first adjusting part adjusting module is used for adjusting the adjusting part to move along the direction close to the positioning plate until the upper jaw complete denture is separated from the lower jaw complete denture in occlusion contact after the upper jaw complete denture is occluded with the lower jaw complete denture, and the adjusting part is contacted with the positioning plate; the second adjusting part adjusting module is used for adjusting the adjusting part to move along the direction far away from the positioning plate until the upper jaw complete denture and the lower jaw complete denture start to have occlusion contact; the occluding paper inspection module is used for taking out and inspecting occluding paper; and the occlusion high point and interference point removing module is used for determining occlusion high points and/or interference points of the upper jaw complete denture and the lower jaw complete denture according to the occlusal paper print and removing the occlusion high points and/or the interference points.
In some embodiments, the adjuster mounting module comprises: and an adjusting piece mounting unit for mounting the pre-formed adjusting piece at a central position of the horizontal part of the fixing bracket.
The digital implementation device of the occlusion adjuster provided by the embodiment of the disclosure obtains three-dimensional data of the complete denture by scanning the complete denture; establishing a complete denture three-dimensional model according to the three-dimensional data of the complete denture; determining parameters of a positioning plate and a fixed support according to the complete denture three-dimensional model; use 3D printing technique to print locating plate and fixed bolster. The device uses digital technology, can individualized customization interlock adjuster locating plate and fixed bolster in, obtains the higher accuracy interlock adjuster, in the occlusion process of using the interlock adjuster adjustment complete denture in the follow-up, can more accurately confirm the high point of interlock and/or interference point, finally realizes the stable accurate interlock of upper jaw complete denture and lower jaw complete denture.
It is noted that the block diagrams shown in the above figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
Fig. 8 is a schematic structural diagram of an electronic device according to an example embodiment. It should be noted that the electronic device shown in fig. 8 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiment of the present invention.
As shown in fig. 8, the electronic device 800 is in the form of a general purpose computer device. The components of the electronic device 800 include: at least one Central Processing Unit (CPU)801, which may perform various appropriate actions and processes according to program code stored in a Read Only Memory (ROM)802 or loaded from at least one storage unit 808 into a Random Access Memory (RAM) 803.
In particular, according to an embodiment of the present invention, the program code may be executed by the central processing unit 801, such that the central processing unit 801 performs the steps according to various exemplary embodiments of the present invention described in the above-mentioned method embodiment section of the present specification. For example, the central processing unit 801 may perform the steps as shown in fig. 1.
In the RAM803, various programs and data necessary for the operation of the electronic apparatus 800 are also stored. The CPU801, ROM 802, and RAM803 are connected to each other via a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
The following components are connected to the I/O interface 805: an input unit 806 including a keyboard, a mouse, and the like; an output unit 807 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage unit 808 including a hard disk and the like; and a communication unit 809 including a network interface card such as a LAN card, a modem, or the like. The communication unit 809 performs communication processing via a network such as the internet. A drive 810 is also connected to the I/O interface 805 as necessary. A removable medium 811 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 810 as necessary, so that a computer program read out therefrom is mounted on the storage unit 808 as necessary.
FIG. 9 is a schematic diagram illustrating a computer-readable storage medium in accordance with an example embodiment.
Referring to fig. 9, a program product 900 configured to implement the above method according to an embodiment of the present invention is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited in this regard and, in the present document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable medium carries one or more programs which, when executed by a device, cause the computer readable medium to implement the functions as shown in fig. 1.
Exemplary embodiments of the present invention are specifically illustrated and described above. It is to be understood that the invention is not limited to the precise construction, arrangements, or instrumentalities described herein; on the contrary, the invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A digital implementation method of a bite adjuster, comprising:
scanning the complete denture to obtain three-dimensional data of the complete denture;
establishing a complete denture three-dimensional model according to the complete denture three-dimensional data;
determining parameters of a positioning plate according to the maxilla denture in the complete denture three-dimensional model;
determining parameters of a fixed bracket according to the lower jaw denture in the complete denture three-dimensional model;
printing the positioning plate and the fixing bracket by using a 3D printing technology;
the positioning plate is disposed on the maxillary denture, the fixing bracket is disposed on the mandibular denture, and the adjusting member is disposed on the fixing bracket, the adjusting member being in contact with the positioning plate when the maxillary denture and the mandibular denture are occluded, wherein the adjusting member is movable relative to the fixing bracket in a direction approaching or departing from the positioning plate to determine an occlusion high point or an interference point.
2. The method of claim 1, wherein the fixed bracket is an arch-shaped structure, the fixed bracket comprising a connecting portion, a vertical portion and a horizontal portion, the connecting portion, the vertical portion and the horizontal portion being connected;
determining parameters of a fixation stent, comprising:
determining parameters of the connecting part, wherein the connecting part is connected with the base plate tongue side of the lower jaw denture in the complete denture three-dimensional model;
determining parameters of the vertical part, wherein the vertical part is parallel to the lingual side of the complete denture three-dimensional model;
and determining parameters of the horizontal part, wherein a groove is arranged in the center of the horizontal part.
3. The method of claim 1, wherein determining parameters of the locating plate comprises:
determining a complete denture based on the complete denture three-dimensional model
A plane;
determining parameters of the positioning plate so that the positioning plate and the positioning plate
The planes are parallel.
4. The method of claim 1, further comprising:
arranging the printed positioning plate at the central position of the upper jaw complete denture;
mounting a preformed adjusting piece on a printed fixed support, wherein the adjusting piece is mounted at the central position of the fixed support;
and arranging a fixing support provided with an adjusting piece on the lower jaw complete denture, wherein the fixing support is connected with the center of the opposite base plate tongue side of the lower jaw complete denture, and the adjusting piece is vertical to the positioning plate.
5. The method of claim 4, further comprising:
placing an occlusal paper between the upper complete denture and the lower complete denture;
after the upper jaw complete denture is occluded with the lower jaw complete denture, the adjusting piece is adjusted to move along the direction close to the positioning plate until the upper jaw complete denture is separated from occlusion contact with the lower jaw complete denture, and the adjusting piece is contacted with the positioning plate;
adjusting the adjusting piece to move in the direction away from the positioning plate until the upper complete denture and the lower complete denture are in occlusion contact;
taking out the occlusion paper and checking;
determining occlusion high points and/or interference points of the upper jaw complete denture and the lower jaw complete denture according to occlusal paper prints, and removing the occlusion high points and/or the interference points.
6. The method of claim 4, wherein providing an adjustment member on the fixed bracket comprises: the adjusting piece is arranged at the center of the horizontal part of the fixed bracket.
7. The method of claim 1, wherein scanning the complete denture comprises:
scanning the occlusal surface and the buccal and lingual surfaces of the upper jaw complete denture;
scanning the occlusal surface and the bucco-lingual surface of the mandibular complete denture;
and scanning the occlusal buccal surfaces of the upper jaw complete denture and the lower jaw complete denture.
8. A digital implementation apparatus of a bite adjuster, comprising:
the data acquisition module is used for scanning the complete denture to acquire three-dimensional data of the complete denture;
the model establishing module is used for establishing a complete denture three-dimensional model according to the complete denture three-dimensional data;
the positioning plate determining module is used for determining parameters of the positioning plate on the maxillary denture in the complete denture three-dimensional model;
the fixed bracket determining module is used for determining parameters of a fixed bracket in a lower jaw denture in the complete denture three-dimensional model;
the printing module is used for printing the positioning plate and the fixing support by using a 3D printing technology; and disposing the positioning plate on the maxillary denture, disposing the fixed bracket on the mandibular denture, disposing an adjusting member on the fixed bracket, the adjusting member being in contact with the positioning plate when the maxillary denture and the mandibular denture are occluded, wherein the adjusting member is movable relative to the fixed bracket in a direction approaching or departing from the positioning plate to determine an occlusion high point or an interference point.
9. An electronic device, comprising: memory, processor and executable instructions stored in the memory and executable in the processor, characterized in that the processor implements the method according to any of claims 1-7 when executing the executable instructions.
10. A computer-readable storage medium having stored thereon computer-executable instructions, which when executed by a processor, implement the method of any one of claims 1-7.
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